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3+1 vs 4+1 CCTV Cable: Kaunsi Kab Lagani Chahiye

CCTV cable kharidte waqt sabse pehla sawaal yahi aata hai — 3+1 lein ya 4+1. Dono dikhne mein lagbhag ek jaisi hain, daam mein thoda farak hai, aur dukaandaar aksar wahi de deta hai jo stock mein pada ho. Lekin selection galat ho toh ya toh paisa zyada lagta hai, ya installation mein dikkat aati hai.

Naam Ka Matlab Kya Hai

Ye numbering coaxial core aur power wires ko batati hai:

  • 3+1 — ek coaxial core (video ke liye) + 3 alag conductors (power ke liye)
  • 4+1 — ek coaxial core + 4 alag conductors

Dono mein "+1" wala hissa wahi hai — video signal le jaane wala coaxial. Farak sirf power conductors ki sankhya ka hai.

Toh Zyada Wire Ka Fayda Kya

Camera ko chalane ke liye do wire chahiye — positive aur negative. Baaki wires spare hote hain. Unka istemal aise hota hai:

Zarurat Kya karna hota hai
Voltage drop kam karna Do wire ko jod kar (parallel) ek hi line banana — resistance aadha
Audio Spare wire audio ke liye use karna
PTZ control Control signal ke liye alag pair
Future backup Ek wire kharab ho jaye toh spare par shift kar dena

Sabse zyada kaam ka pehla point hai — parallel karke voltage drop kam karna. Lambi run par ye chhoti si trick raat ka camera restart hone wali problem hi khatam kar deti hai.

Kab Kya Chunein

  • Choti indoor run (20-30 meter tak), simple fixed camera → 3+1 kaafi hai
  • Lambi run, outdoor camera, IR wala → 4+1 behtar, kyunki wire parallel kar sakte ho
  • Audio wala camera → 4+1
  • PTZ camera → 4+1 ya alag control cable
  • Bade project jahan baad mein badlav hoga → 4+1, spare wire hamesha kaam aata hai

Practical rule: agar aap dobara wiring nahi karna chahte, toh spare wire rakh lena sasta sauda hai. Cable ka farak chhota hai, deewar todne ka kharcha bada.

Jo Cheez Numbering Se Zyada Matter Karti Hai

Ye samajhna zaroori hai — 3+1 ya 4+1 hone se cable ki quality tay nahi hoti. Ek ghatiya 4+1 ek achhi 3+1 se bahut kharab performance degi. Asli cheezein ye hain:

  • Conductor material — pure copper hai ya CCA (copper clad aluminium)
  • Coaxial core ka gauge — patla core matlab zyada loss
  • Braiding/shielding — kitni ghani hai; kam braiding matlab noise aur disturbance
  • Insulation quality — dhoop aur garmi mein jacket phatti toh nahi
  • Wire ka gauge — power conductors kitne mote hain

Isiliye order karte waqt sirf "4+1 chahiye" bolna kaafi nahi. Conductor material aur gauge alag se poochna chahiye.

Common Galtiyan

  • Sirf number dekh kar order dena — 4+1 mangwa liya par wo CCA nikli, aur problem waise ki waisi rahi
  • Spare wire ko waste samajhna — parallel karke voltage drop kam karna sabse aasan fix hai, par log karte nahi
  • Power supply cable se door rakhna — camera se DVR tak cable theek hai par power supply ki quality kharab, toh farak nahi padta
  • Joint zyada banana — har joint par signal loss aur corrosion ka risk; jitna ho sake ek hi length mein le jao

FAQ

Kya 4+1 se picture quality behtar hoti hai?

Seedha nahi. Video coaxial core se jata hai, jo dono mein ek hi hai. 4+1 se picture tab behtar lagti hai jab spare wires parallel karke power stable ho jati hai — yaani fayda power side se aata hai, video side se nahi.

Kya bina "+1" wali cable bhi hoti hai?

Haan, sirf coaxial (RG59, RG6) alag milti hai, aur power alag le jaya jata hai. Ye aksar tab hota hai jab power local point se liya ja raha ho. Combined cable ka fayda ye hai ki ek hi pull mein dono kaam ho jate hain.

Bulk mein kharidne ka sahi tarika kya hai?

Roll ki length confirm karo (90m/100m/305m — market mein alag-alag hai), conductor material likhit mein lo, aur pehli baar sample mangwa kar kaat kar dekho. Ek baar supplier verify ho jaye toh dobara har baar checking ki zarurat nahi rehti.

Manufacturer Se Direct

M-Core Industries CCTV cables banata hai — 3+1, 4+1 aur custom constructions mein, poore India mein supply aur 27+ deshon mein export. Dealer, installer ya bulk buyer hain toh apni exact specification bhejein aur seedha factory se rate lein. Yahan sampark karein.

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Frequently Asked Questions

What products does M Core manufacture?

M Core manufactures Optical Fiber Cables (OFC), CCTV cables, networking cables, and FRP rods for domestic and international markets.

Does M Core export cables internationally?

Yes, M Core exports its wire and cable products to more than 27 countries worldwide, serving distributors and businesses globally.

Where is the M Core manufacturing facility located?

M Core's manufacturing facility is located in Kundli, Sonipat, Haryana, India.

How can I request a product catalog or quote?

You can download our product catalogs directly from the e-catalogs page, or contact us through the contact page for a customised quote.